topic Re: roofShed generates at half height when the roof index is changed (CE 2017.0) in ArcGIS CityEngine Questions

roofShed generates at half height when the roof index is changed (CE 2017.0)

LR — Tue, 05 Sep 2017 09:20:39 GMT

I'm splitting a simple shape in two and generating shed roofs using byHeight and a value. This works fine on the first split, however when I turn the roof on the second split using the index, the height is cut in half. Bug? Project see attachment.

Re: roofShed generates at half height when the roof index is changed (CE 2017.0)

DevinLavigne — Wed, 06 Sep 2017 02:45:59 GMT

That is odd. What do you think the angle of the third split is? Maybe the bug is reverting it back to byAngle

Re: roofShed generates at half height when the roof index is changed (CE 2017.0)

BenLeslie1 — Wed, 06 Sep 2017 06:44:18 GMT

I'd suggest that the yellow shape is using the scope of the original shape - try sticking in an alignScopeToGeometry before the roofShed line.

Re: roofShed generates at half height when the roof index is changed (CE 2017.0)

LR — Wed, 06 Sep 2017 09:56:32 GMT

That does the trick, great!

Additional info: when using an angle, this problem doesn't appear. I calculated it from the B-Split and then stuck the value in the A-Split.

Re: roofShed generates at half height when the roof index is changed (CE 2017.0)

DavidWasserman — Wed, 13 Sep 2017 22:35:15 GMT

It is surprising how useful that function is.

Re: roofShed generates at half height when the roof index is changed (CE 2017.0)

CherylLau — Mon, 02 Oct 2017 12:01:07 GMT

There is a bug when trying to set the index when using roofShed. It's good to hear that alignScopeToGeometry() can be a workaround for this bug though.

https://community.esri.com/thread/179731?commentID=645327&et=watches.email.thread#comment-624648

Weird roofGable behavior on square shapes